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Add Call-site Size information to __llvm.stackmaps #56

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swaroop-sridhar opened this issue Jul 1, 2015 · 1 comment
Closed

Add Call-site Size information to __llvm.stackmaps #56

swaroop-sridhar opened this issue Jul 1, 2015 · 1 comment

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@swaroop-sridhar
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CoreCLR's GCTables require call-site size (the length of the call instruction) to be reported for each GC-safepoint. This information is not available in LLVM's stackmap so add it.

Sanjoy Das recommended that this can be recorded correctly (in light of relocations) by using two labels before/after the call-instruction and computing their difference (as an MC-expression).
@swaroop-sridhar
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Subsumed by #73

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